Electrical Machines and Equipment
Electrical Machines and Equipment
Electrical Machines and Equipment
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<strong>Electrical</strong> Technology Department<strong>Electrical</strong> <strong>Machines</strong> & <strong>Equipment</strong>sDetailed Practical ContentsHours Contents Related Tasks1- Types <strong>and</strong> construction of single-phase motors:8 Types <strong>and</strong> construction of single phase motors (stator, rotor,main & auxiliary windings, number of poles, etc). Name plate data.Basic Knowledge402- Rewinding of single-phase motors:Rewinding dual voltage motors (water pump motor). Types <strong>and</strong> construction of the motor. Working principle. Read name plate data. Dismantle <strong>and</strong> clean the motor. Remove the windings. Note the winding data <strong>and</strong> the circuit. Draw the winding diagram. Identify winding connections for dual voltages (series /parallel). Prepare the motor for rewinding1. Clean the slots.2. Select insulating materials.3. Perform the needed insulation. Determine the size <strong>and</strong> form of the coils. Adjust the rewinding machine <strong>and</strong> wind the main <strong>and</strong>starting coils. Insert the coils in the slots <strong>and</strong> connect the coil terminals. B<strong>and</strong>age the windings. Assemble the motor. Connect <strong>and</strong> test the motor.Rewinding two speed motors (desert air cooler motor). Type <strong>and</strong> construction of the motor. Working principle. Read name plate data.Basic KnowledgeH1, H2, H3, H4,H5, H6, H7, H8,H9, H10, H11, H12- 34 -
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